Butt portion of a roofing shingle



FIG. 1 is a top plan of a butt portion of a roofing shingle of a first embodiment of my design.

FIG. 2 is a top plan view of a butt portion of a roofing shingle of a second embodiment.

FIG. 3 is a top plan of a butt portion of a roofing shingle of a third embodiment.

FIGS. 4 is a top plan view of a butt portion of a roofing shingle of a fourth embodiment.

FIG. 5 is a top plan of a butt portion of a roofing shingle of a fifth embodiment and,

FIGS. 6 is a top plan view of a butt portion of a roofing shingle of a sixth embodiment.

The phantom lines indicate the outline of that portion of the shingle which does not form part of the design, but which is environmental structure. The rear view of the shingle is plain and unornamented and the shingle is of conventional thickness. 

The ornamental design for a butt portion of a roofing shingle, as shown and described. 